Add support for java.sql.Date in IntervalShardingAlgorithm

[linghengqian]

For #21347 (comment) .

Changes proposed in this pull request:

• Add support for java.sql.Date in IntervalShardingAlgorithm
• Add the corresponding unit test.
• Refer to Update IntervalShardingAlgorithm.java to fix an exception caused by polymorphism #20255 .

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Before committing this PR, I'm sure that I have checked the following options:

• My code follows the code of conduct of this project.
• I have self-reviewed the commit code.
• I have (or in comment I request) added corresponding labels for the pull request.
• I have passed maven check locally : ./mvnw clean install -B -T1C -Dmaven.javadoc.skip -Dmaven.jacoco.skip -e.
• I have made corresponding changes to the documentation.
• I have added corresponding unit tests for my changes.

[codecov-commenter]

Codecov Report

Merging #22495 (e9aed54) into master (07300fd) will decrease coverage by 0.01%.
The diff coverage is 50.00%.

@@             Coverage Diff              @@
##             master   #22495      +/-   ##
============================================
- Coverage     50.99%   50.98%   -0.02%     
  Complexity     2514     2514              
============================================
  Files          4185     4185              
  Lines         58232    58241       +9     
  Branches       9898     9903       +5     
============================================
- Hits          29695    29693       -2     
- Misses        26011    26018       +7     
- Partials       2526     2530       +4     

Impacted Files	Coverage Δ
...hority/yaml/config/YamlAuthorityConfiguration.java	0.00% <ø> (ø)
...aml/config/YamlSQLTranslatorRuleConfiguration.java	0.00% <0.00%> (ø)
...kend/config/yaml/YamlProxyServerConfiguration.java	55.55% <ø> (ø)
...proxy/backend/config/ProxyConfigurationLoader.java	60.00% <30.76%> (-12.10%)	⬇️
...m/sharding/datetime/IntervalShardingAlgorithm.java	79.26% <100.00%> (+0.25%)	⬆️
...ty/yaml/config/YamlAuthorityRuleConfiguration.java	66.66% <100.00%> (ø)
...er/yaml/config/YamlSQLParserRuleConfiguration.java	50.00% <100.00%> (ø)
...ffic/yaml/config/YamlTrafficRuleConfiguration.java	80.00% <100.00%> (ø)
.../yaml/config/YamlTransactionRuleConfiguration.java	50.00% <100.00%> (ø)
...handler/distsql/ral/hint/enums/HintSourceType.java	0.00% <0.00%> (-42.86%)	⬇️

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